Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

John Douglass

Crofton, MD

Bib: 3680 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 38%
Gender (Male)
#0 / 17709
Top 44%
Masters (Masters Men)
#0 / 8330
Top 34%
Division (M45-49)
#0 / 1775
Top 37%
Race Day Weather
42°/32°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
10:46/mi
33:27
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:07/mi
1:04:54
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:00/mi
1:35:59
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
12:20/mi
2:21:57
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:31/mi
2:45:35
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:57/mi
3:16:30
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:22/mi
3:45:36
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:48/mi
4:12:56
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:34/mi
4:24:37
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 21K
Distance13.05 mi
Time2:21:57
Pace10:53 /mi
2nd Half✓ Faster
Distance13.17 mi
Time2:02:39
Pace9:19 /mi
📊Negative Split: 13.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:14:3533:2710:4633:27
10:46
-
10K
6.21 mi08:46:021:04:5410:2731:27
10:07
-0:39
15K
9.32 mi09:17:071:35:5910:1831:05
10:00
-0:07
21K
13.05 mi10:03:052:21:5710:5345:58
12:20
+2:20
25K
15.53 mi10:26:432:45:3510:4023:38
9:31
-2:49
30K
18.64 mi10:57:383:16:3010:3230:55
9:57
+0:26
35K
21.75 mi11:26:443:45:3610:2229:06
9:22
-0:35
40K
24.85 mi11:54:044:12:5610:1127:20
8:48
-0:34
Finish
26.22 mi12:05:454:24:3710:0611:41
8:34
-0:14

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:34 /mi

Average Pace

10:06 /mi

Slowest Pace

12:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:07

26% of race

Time at Steady Pace

1:57:05

44% of race

Time at Slower Pace

1:19:25

30% of race

Average Pace: 10:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi08:14:3533:2710:4633:27
10:46
#16582
10K
6.21 mi08:46:021:04:5410:2731:27
10:07
#16463
15K
9.32 mi09:17:071:35:5910:1831:05
10:00
#15782
21K
13.05 mi10:03:052:21:5710:5345:58
12:20
#18810
25K
15.53 mi10:26:432:45:3510:4023:38
9:31
#17236
30K
18.64 mi10:57:383:16:3010:3230:55
9:57
#15610
35K
21.75 mi11:26:443:45:3610:2229:06
9:22
#13824
40K
24.85 mi11:54:044:12:5610:1127:20
8:48
#11975
Finish
26.22 mi12:05:454:24:3710:0611:41
8:34
#11289
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1658211141101514776(Top 49%)10117(Top 57%)898(Top 51%)
10K6.21 mi3.10 mi16463+11911107+341016-116509(Top 55%)11149(Top 63%)1023(Top 58%)
15K9.32 mi3.11 mi15782+68110727+380965+5114776(Top 49%)10117(Top 57%)898(Top 51%)
21K13.05 mi3.73 mi18810-302812342-16151140-17523415(Top 78%)14631(Top 83%)1404(Top 80%)
25K15.53 mi2.48 mi17236+157411482+8601049+9111194(Top 37%)7865(Top 44%)667(Top 38%)
30K18.64 mi3.11 mi15610+162610451+1031951+9810306(Top 34%)7142(Top 40%)602(Top 34%)
35K21.75 mi3.11 mi13824+17869316+1135824+1276637(Top 22%)4727(Top 27%)388(Top 22%)
40K24.85 mi3.10 mi11975+18498127+1189696+1283437(Top 11%)2537(Top 14%)202(Top 12%)
Finish26.22 mi1.37 mi11289+6867688+439653+432861(Top 10%)2134(Top 12%)164(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×18story building
+279ft-164ft

Overall

14776

Males

10117

M45-49

10117

5K→10K

3.1 - 6.2 mi

Top 55%
×11story building
+103ft-217ft

Overall

16509

Males

11149

M45-49

11149

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+51ft-55ft

Overall

14776

Males

10117

M45-49

10117

15K→21K

9.3 - 13.1 mi

Top 78%
×1story
+20ft-37ft

Overall

23415

Males

14631

M45-49

14631

21K→25K

13.1 - 15.5 mi

Top 37%
×2story building
+35ft-8ft

Overall

11194

Males

7865

M45-49

7865

25K→30K

15.5 - 18.6 mi

Top 34%
×2story building
+58ft-57ft

Overall

10306

Males

7142

M45-49

7142

30K→35K

18.6 - 21.8 mi

Top 22%
×2story building
+98ft-92ft

Overall

6637

Males

4727

M45-49

4727

35K→40K

21.8 - 24.9 mi

Top 11%
×2story building
+36ft-53ft

Overall

3437

Males

2537

M45-49

2537

40K→Finish

24.9 - 26.2 mi

Top 10%
×5story building
+80ft-24ft

Overall

2861

Males

2134

M45-49

2134

Passing Analysis

Category:
Athletes Passed
8846*
Passed By
3553
Net Change
+5293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16582
5K → 10K507*388+119#16582#16463
10K → 15K748*67+681#16463#15782
15K → 21K67*3095-3028#15782#18810
21K → 25K1575*1+1574#18810#17236
25K → 30K1628*2+1626#17236#15610
30K → 35K1786*0+1786#15610#13824
35K → 40K1849*0+1849#13824#11975
40K → Finish686*0+686#11975#11289
TOTALS8846*3553+5293

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions